Which of the following occurred during the Paleozoic era?
A. Landmasses came together to form Pangaea.
B. Landmasses were strung along Earth's equator.
C. Landmasses drifted across the South Pole.
D. All of these are correct.
E. None of these is correct.
Answer: D
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Dark energy bends the curvature of spacetime
A. in the opposite manner of gravity. B. in the exact same fashion as gravity. C. by absorbing all lightwaves that pass through it. D. Dark energy does not bend the curvature of spacetime.
What area of Europe tends to attract the greatest number of migrants?
A) Baltic Republics (Estonia, Latvia, Lithuania) B) eastern Europe (Poland, Slovakia) C) northwestern Europe (Germany, United Kingdom) D) northern Europe (Norway, Sweden) E) southeastern Europe (Albania, Greece)
The orbital motion of a deep-water wave extends to a depth equal to ________.
A. the seafloor depth B. one-half the wavelength C. twice the wavelength D. one-half the wave's height E. the wave's height
Which property of water causes coastal communities to have only moderate differences in daily highs and lows when compared to inland communities?
A) High heat capacity B) High salinity C) High viscosity D) Low heat capacity E) Low viscosity